IB skill practice

Interpret logarithmic regression parameters

Use logarithmic regression output to predict or interpret a model parameter.

Paper 1, Paper 2 5 marks Difficulty 5

Interpret logarithmic regression parameters - calculator-output interpretation

A medical trial logarithmic regression model is \(y=8+2.2\ln x\). Predict \(y\) when \(x=7\). Confirm the method before entering the value. Enter the requested value and choose the interpretation that matches the result.

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